216703716 has 24 divisors (see below), whose sum is σ = 510119904. Its totient is φ = 71594880.

The previous prime is 216703693. The next prime is 216703717. The reversal of 216703716 is 617307612.

216703716 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (216703717) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78550 + ... + 81261.

It is an arithmetic number, because the mean of its divisors is an integer number (21254996).

Almost surely, 2^216703716 is an apocalyptic number.

It is an amenable number.

216703716 is an abundant number, since it is smaller than the sum of its proper divisors (293416188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

216703716 is a wasteful number, since it uses less digits than its factorization.

216703716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159931 (or 159929 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 216703716 is about 14720.8598933622. The cubic root of 216703716 is about 600.6508825534.

The spelling of 216703716 in words is "two hundred sixteen million, seven hundred three thousand, seven hundred sixteen".